In the continual dynamic experiment of 7 days, both DOC and COC increased slowly with time due to the biological accumulation and physical mixing with fresh seawater everyday.

• 在连续7d的动态观测中,DOC和COC与时间呈显著的线性正相关,系统内DOC和COC在培养过程中的自然积聚与换入海水物理混合的共同作用使得体系内的DOC和COC的浓度随着时间而缓慢的增加;